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35 lines
756 B
C++
35 lines
756 B
C++
#ifndef __SDLSPEAKER_H
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#define __SDLSPEAKER_H
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#include <stdio.h>
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#include <stdint.h>
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#include "physicalspeaker.h"
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#define SPEAKERQUEUESIZE 64
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class SDLSpeaker : public PhysicalSpeaker {
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public:
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SDLSpeaker();
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virtual ~SDLSpeaker();
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virtual void toggle(uint32_t c);
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virtual void maintainSpeaker(uint32_t c, uint64_t microseconds);
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virtual void beginMixing();
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virtual void mixOutput(uint8_t v);
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private:
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int16_t mixerValue;
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bool toggleState;
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uint32_t toggleTimes[SPEAKERQUEUESIZE];
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uint8_t toggleCount; // # of entries still in queue
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uint8_t toggleReadPtr; // ring buffer pointer in queue
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uint8_t toggleWritePtr; // ring buffer pointer in queue
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uint64_t lastCycleCount;
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uint64_t lastSampleCount;
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FILE *f;
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};
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#endif
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